1/* 2 * Hardware definitions for Palm Treo smartphones 3 * 4 * currently supported: 5 * Palm Treo 680 (GSM) 6 * Palm Centro 685 (GSM) 7 * 8 * Author: Tomas Cech <sleep_walker@suse.cz> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13 * 14 * (find more info at www.hackndev.com) 15 * 16 */ 17 18#include <linux/platform_device.h> 19#include <linux/delay.h> 20#include <linux/irq.h> 21#include <linux/gpio_keys.h> 22#include <linux/input.h> 23#include <linux/memblock.h> 24#include <linux/pda_power.h> 25#include <linux/pwm_backlight.h> 26#include <linux/gpio.h> 27#include <linux/power_supply.h> 28#include <linux/w1-gpio.h> 29 30#include <asm/mach-types.h> 31#include <asm/mach/arch.h> 32#include <asm/mach/map.h> 33 34#include <mach/pxa27x.h> 35#include <mach/pxa27x-udc.h> 36#include <mach/audio.h> 37#include <mach/palmtreo.h> 38#include <linux/platform_data/mmc-pxamci.h> 39#include <linux/platform_data/video-pxafb.h> 40#include <linux/platform_data/irda-pxaficp.h> 41#include <linux/platform_data/keypad-pxa27x.h> 42#include <mach/udc.h> 43#include <linux/platform_data/usb-ohci-pxa27x.h> 44#include <mach/pxa2xx-regs.h> 45#include <linux/platform_data/asoc-palm27x.h> 46#include <linux/platform_data/camera-pxa.h> 47#include <mach/palm27x.h> 48 49#include <sound/pxa2xx-lib.h> 50 51#include "generic.h" 52#include "devices.h" 53 54/****************************************************************************** 55 * Pin configuration 56 ******************************************************************************/ 57static unsigned long treo_pin_config[] __initdata = { 58 /* MMC */ 59 GPIO32_MMC_CLK, 60 GPIO92_MMC_DAT_0, 61 GPIO109_MMC_DAT_1, 62 GPIO110_MMC_DAT_2, 63 GPIO111_MMC_DAT_3, 64 GPIO112_MMC_CMD, 65 GPIO113_GPIO, /* SD detect */ 66 67 /* AC97 */ 68 GPIO28_AC97_BITCLK, 69 GPIO29_AC97_SDATA_IN_0, 70 GPIO30_AC97_SDATA_OUT, 71 GPIO31_AC97_SYNC, 72 GPIO89_AC97_SYSCLK, 73 GPIO95_AC97_nRESET, 74 75 /* IrDA */ 76 GPIO46_FICP_RXD, 77 GPIO47_FICP_TXD, 78 79 /* PWM */ 80 GPIO16_PWM0_OUT, 81 82 /* USB */ 83 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */ 84 85 /* MATRIX KEYPAD */ 86 GPIO101_KP_MKIN_1, 87 GPIO102_KP_MKIN_2, 88 GPIO97_KP_MKIN_3, 89 GPIO98_KP_MKIN_4, 90 GPIO91_KP_MKIN_6, 91 GPIO13_KP_MKIN_7, 92 GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH, 93 GPIO104_KP_MKOUT_1, 94 GPIO105_KP_MKOUT_2, 95 GPIO106_KP_MKOUT_3, 96 GPIO107_KP_MKOUT_4, 97 GPIO108_KP_MKOUT_5, 98 GPIO96_KP_MKOUT_6, 99 GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */ 100 101 /* Quick Capture Interface */ 102 GPIO84_CIF_FV, 103 GPIO85_CIF_LV, 104 GPIO53_CIF_MCLK, 105 GPIO54_CIF_PCLK, 106 GPIO81_CIF_DD_0, 107 GPIO55_CIF_DD_1, 108 GPIO51_CIF_DD_2, 109 GPIO50_CIF_DD_3, 110 GPIO52_CIF_DD_4, 111 GPIO48_CIF_DD_5, 112 GPIO17_CIF_DD_6, 113 GPIO12_CIF_DD_7, 114 115 /* I2C */ 116 GPIO117_I2C_SCL, 117 GPIO118_I2C_SDA, 118 119 /* GSM */ 120 GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */ 121 GPIO34_FFUART_RXD, 122 GPIO35_FFUART_CTS, 123 GPIO39_FFUART_TXD, 124 GPIO41_FFUART_RTS, 125 126 /* MISC. */ 127 GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */ 128 GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */ 129 GPIO116_GPIO, /* headphone detect */ 130 GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */ 131}; 132 133#ifdef CONFIG_MACH_TREO680 134static unsigned long treo680_pin_config[] __initdata = { 135 GPIO33_GPIO, /* SD read only */ 136 137 /* MATRIX KEYPAD - different wake up source */ 138 GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, 139 GPIO99_KP_MKIN_5, 140 141 /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */ 142 GPIOxx_LCD_16BPP, 143 GPIO74_LCD_FCLK, 144 GPIO75_LCD_LCLK, 145 GPIO76_LCD_PCLK, 146}; 147#endif /* CONFIG_MACH_TREO680 */ 148 149#ifdef CONFIG_MACH_CENTRO 150static unsigned long centro685_pin_config[] __initdata = { 151 /* Bluetooth attached to BT UART*/ 152 MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */ 153 GPIO42_BTUART_RXD, 154 GPIO43_BTUART_TXD, 155 GPIO44_BTUART_CTS, 156 GPIO45_BTUART_RTS, 157 158 /* MATRIX KEYPAD - different wake up source */ 159 GPIO100_KP_MKIN_0, 160 GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, 161 162 /* LCD */ 163 GPIOxx_LCD_TFT_16BPP, 164}; 165#endif /* CONFIG_MACH_CENTRO */ 166 167/****************************************************************************** 168 * GPIO keyboard 169 ******************************************************************************/ 170#if IS_ENABLED(CONFIG_KEYBOARD_PXA27x) 171static const unsigned int treo680_matrix_keys[] = { 172 KEY(0, 0, KEY_F8), /* Red/Off/Power */ 173 KEY(0, 1, KEY_LEFT), 174 KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ 175 KEY(0, 3, KEY_L), 176 KEY(0, 4, KEY_A), 177 KEY(0, 5, KEY_Q), 178 KEY(0, 6, KEY_P), 179 180 KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ 181 KEY(1, 1, KEY_RIGHT), 182 KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ 183 KEY(1, 3, KEY_Z), 184 KEY(1, 4, KEY_S), 185 KEY(1, 5, KEY_W), 186 187 KEY(2, 0, KEY_F1), /* Phone */ 188 KEY(2, 1, KEY_UP), 189 KEY(2, 2, KEY_0), 190 KEY(2, 3, KEY_X), 191 KEY(2, 4, KEY_D), 192 KEY(2, 5, KEY_E), 193 194 KEY(3, 0, KEY_F10), /* Calendar */ 195 KEY(3, 1, KEY_DOWN), 196 KEY(3, 2, KEY_SPACE), 197 KEY(3, 3, KEY_C), 198 KEY(3, 4, KEY_F), 199 KEY(3, 5, KEY_R), 200 201 KEY(4, 0, KEY_F12), /* Mail */ 202 KEY(4, 1, KEY_KPENTER), 203 KEY(4, 2, KEY_RIGHTALT), /* Alt */ 204 KEY(4, 3, KEY_V), 205 KEY(4, 4, KEY_G), 206 KEY(4, 5, KEY_T), 207 208 KEY(5, 0, KEY_F9), /* Home */ 209 KEY(5, 1, KEY_PAGEUP), /* Side up */ 210 KEY(5, 2, KEY_DOT), 211 KEY(5, 3, KEY_B), 212 KEY(5, 4, KEY_H), 213 KEY(5, 5, KEY_Y), 214 215 KEY(6, 0, KEY_TAB), /* Side Activate */ 216 KEY(6, 1, KEY_PAGEDOWN), /* Side down */ 217 KEY(6, 2, KEY_ENTER), 218 KEY(6, 3, KEY_N), 219 KEY(6, 4, KEY_J), 220 KEY(6, 5, KEY_U), 221 222 KEY(7, 0, KEY_F6), /* Green/Call */ 223 KEY(7, 1, KEY_O), 224 KEY(7, 2, KEY_BACKSPACE), 225 KEY(7, 3, KEY_M), 226 KEY(7, 4, KEY_K), 227 KEY(7, 5, KEY_I), 228}; 229 230static const unsigned int centro_matrix_keys[] = { 231 KEY(0, 0, KEY_F9), /* Home */ 232 KEY(0, 1, KEY_LEFT), 233 KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ 234 KEY(0, 3, KEY_L), 235 KEY(0, 4, KEY_A), 236 KEY(0, 5, KEY_Q), 237 KEY(0, 6, KEY_P), 238 239 KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ 240 KEY(1, 1, KEY_RIGHT), 241 KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ 242 KEY(1, 3, KEY_Z), 243 KEY(1, 4, KEY_S), 244 KEY(1, 5, KEY_W), 245 246 KEY(2, 0, KEY_F1), /* Phone */ 247 KEY(2, 1, KEY_UP), 248 KEY(2, 2, KEY_0), 249 KEY(2, 3, KEY_X), 250 KEY(2, 4, KEY_D), 251 KEY(2, 5, KEY_E), 252 253 KEY(3, 0, KEY_F10), /* Calendar */ 254 KEY(3, 1, KEY_DOWN), 255 KEY(3, 2, KEY_SPACE), 256 KEY(3, 3, KEY_C), 257 KEY(3, 4, KEY_F), 258 KEY(3, 5, KEY_R), 259 260 KEY(4, 0, KEY_F12), /* Mail */ 261 KEY(4, 1, KEY_KPENTER), 262 KEY(4, 2, KEY_RIGHTALT), /* Alt */ 263 KEY(4, 3, KEY_V), 264 KEY(4, 4, KEY_G), 265 KEY(4, 5, KEY_T), 266 267 KEY(5, 0, KEY_F8), /* Red/Off/Power */ 268 KEY(5, 1, KEY_PAGEUP), /* Side up */ 269 KEY(5, 2, KEY_DOT), 270 KEY(5, 3, KEY_B), 271 KEY(5, 4, KEY_H), 272 KEY(5, 5, KEY_Y), 273 274 KEY(6, 0, KEY_TAB), /* Side Activate */ 275 KEY(6, 1, KEY_PAGEDOWN), /* Side down */ 276 KEY(6, 2, KEY_ENTER), 277 KEY(6, 3, KEY_N), 278 KEY(6, 4, KEY_J), 279 KEY(6, 5, KEY_U), 280 281 KEY(7, 0, KEY_F6), /* Green/Call */ 282 KEY(7, 1, KEY_O), 283 KEY(7, 2, KEY_BACKSPACE), 284 KEY(7, 3, KEY_M), 285 KEY(7, 4, KEY_K), 286 KEY(7, 5, KEY_I), 287}; 288 289static struct matrix_keymap_data treo680_matrix_keymap_data = { 290 .keymap = treo680_matrix_keys, 291 .keymap_size = ARRAY_SIZE(treo680_matrix_keys), 292}; 293 294static struct matrix_keymap_data centro_matrix_keymap_data = { 295 .keymap = centro_matrix_keys, 296 .keymap_size = ARRAY_SIZE(centro_matrix_keys), 297}; 298 299static struct pxa27x_keypad_platform_data treo680_keypad_pdata = { 300 .matrix_key_rows = 8, 301 .matrix_key_cols = 7, 302 .matrix_keymap_data = &treo680_matrix_keymap_data, 303 .direct_key_map = { KEY_CONNECT }, 304 .direct_key_num = 1, 305 306 .debounce_interval = 30, 307}; 308 309static void __init palmtreo_kpc_init(void) 310{ 311 static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata; 312 313 if (machine_is_centro()) 314 data->matrix_keymap_data = ¢ro_matrix_keymap_data; 315 316 pxa_set_keypad_info(&treo680_keypad_pdata); 317} 318#else 319static inline void palmtreo_kpc_init(void) {} 320#endif 321 322/****************************************************************************** 323 * USB host 324 ******************************************************************************/ 325#if IS_ENABLED(CONFIG_USB_OHCI_HCD) 326static struct pxaohci_platform_data treo680_ohci_info = { 327 .port_mode = PMM_PERPORT_MODE, 328 .flags = ENABLE_PORT1 | ENABLE_PORT3, 329 .power_budget = 0, 330}; 331 332static void __init palmtreo_uhc_init(void) 333{ 334 if (machine_is_treo680()) 335 pxa_set_ohci_info(&treo680_ohci_info); 336} 337#else 338static inline void palmtreo_uhc_init(void) {} 339#endif 340 341/****************************************************************************** 342 * Vibra and LEDs 343 ******************************************************************************/ 344static struct gpio_led treo680_gpio_leds[] = { 345 { 346 .name = "treo680:vibra:vibra", 347 .default_trigger = "none", 348 .gpio = GPIO_NR_TREO680_VIBRATE_EN, 349 }, 350 { 351 .name = "treo680:green:led", 352 .default_trigger = "mmc0", 353 .gpio = GPIO_NR_TREO_GREEN_LED, 354 }, 355 { 356 .name = "treo680:white:keybbl", 357 .default_trigger = "none", 358 .gpio = GPIO_NR_TREO680_KEYB_BL, 359 }, 360}; 361 362static struct gpio_led_platform_data treo680_gpio_led_info = { 363 .leds = treo680_gpio_leds, 364 .num_leds = ARRAY_SIZE(treo680_gpio_leds), 365}; 366 367static struct gpio_led centro_gpio_leds[] = { 368 { 369 .name = "centro:vibra:vibra", 370 .default_trigger = "none", 371 .gpio = GPIO_NR_CENTRO_VIBRATE_EN, 372 }, 373 { 374 .name = "centro:green:led", 375 .default_trigger = "mmc0", 376 .gpio = GPIO_NR_TREO_GREEN_LED, 377 }, 378 { 379 .name = "centro:white:keybbl", 380 .default_trigger = "none", 381 .active_low = 1, 382 .gpio = GPIO_NR_CENTRO_KEYB_BL, 383 }, 384}; 385 386static struct gpio_led_platform_data centro_gpio_led_info = { 387 .leds = centro_gpio_leds, 388 .num_leds = ARRAY_SIZE(centro_gpio_leds), 389}; 390 391static struct platform_device palmtreo_leds = { 392 .name = "leds-gpio", 393 .id = -1, 394}; 395 396static void __init palmtreo_leds_init(void) 397{ 398 if (machine_is_centro()) 399 palmtreo_leds.dev.platform_data = ¢ro_gpio_led_info; 400 else if (machine_is_treo680()) 401 palmtreo_leds.dev.platform_data = &treo680_gpio_led_info; 402 403 platform_device_register(&palmtreo_leds); 404} 405 406/****************************************************************************** 407 * diskonchip docg4 flash 408 ******************************************************************************/ 409#if defined(CONFIG_MACH_TREO680) 410/* REVISIT: does the centro have this device also? */ 411#if IS_ENABLED(CONFIG_MTD_NAND_DOCG4) 412static struct resource docg4_resources[] = { 413 { 414 .start = 0x00000000, 415 .end = 0x00001FFF, 416 .flags = IORESOURCE_MEM, 417 }, 418}; 419 420static struct platform_device treo680_docg4_flash = { 421 .name = "docg4", 422 .id = -1, 423 .resource = docg4_resources, 424 .num_resources = ARRAY_SIZE(docg4_resources), 425}; 426 427static void __init treo680_docg4_flash_init(void) 428{ 429 platform_device_register(&treo680_docg4_flash); 430} 431#else 432static inline void treo680_docg4_flash_init(void) {} 433#endif 434#endif 435 436/****************************************************************************** 437 * Machine init 438 ******************************************************************************/ 439static void __init treo_reserve(void) 440{ 441 memblock_reserve(0xa0000000, 0x1000); 442 memblock_reserve(0xa2000000, 0x1000); 443} 444 445static void __init palmphone_common_init(void) 446{ 447 pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config)); 448 pxa_set_ffuart_info(NULL); 449 pxa_set_btuart_info(NULL); 450 pxa_set_stuart_info(NULL); 451 palm27x_pm_init(TREO_STR_BASE); 452 palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode); 453 palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1); 454 palm27x_irda_init(GPIO_NR_TREO_IR_EN); 455 palm27x_ac97_init(-1, -1, -1, 95); 456 palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1); 457 palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1); 458 palm27x_pmic_init(); 459 palmtreo_kpc_init(); 460 palmtreo_uhc_init(); 461 palmtreo_leds_init(); 462} 463 464#ifdef CONFIG_MACH_TREO680 465void __init treo680_gpio_init(void) 466{ 467 unsigned int gpio; 468 469 /* drive all three lcd gpios high initially */ 470 const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT; 471 472 /* 473 * LCD GPIO initialization... 474 */ 475 476 /* 477 * This is likely the power to the lcd. Toggling it low/high appears to 478 * turn the lcd off/on. Can be toggled after lcd is initialized without 479 * any apparent adverse effects to the lcd operation. Note that this 480 * gpio line is used by the lcd controller as the L_BIAS signal, but 481 * treo680 configures it as gpio. 482 */ 483 gpio = GPIO_NR_TREO680_LCD_POWER; 484 if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0) 485 goto fail; 486 487 /* 488 * These two are called "enables", for lack of a better understanding. 489 * If either of these are toggled after the lcd is initialized, the 490 * image becomes degraded. N.B. The IPL shipped with the treo 491 * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If 492 * the IPL is ever reprogrammed, this initialization may be need to be 493 * revisited. 494 */ 495 gpio = GPIO_NR_TREO680_LCD_EN; 496 if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0) 497 goto fail; 498 gpio = GPIO_NR_TREO680_LCD_EN_N; 499 if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0) 500 goto fail; 501 502 /* driving this low turns LCD on */ 503 gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0); 504 505 return; 506 fail: 507 pr_err("gpio %d initialization failed\n", gpio); 508 gpio_free(GPIO_NR_TREO680_LCD_POWER); 509 gpio_free(GPIO_NR_TREO680_LCD_EN); 510 gpio_free(GPIO_NR_TREO680_LCD_EN_N); 511} 512 513static void __init treo680_init(void) 514{ 515 pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config)); 516 palmphone_common_init(); 517 treo680_gpio_init(); 518 palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY, 519 GPIO_NR_TREO680_SD_POWER, 0); 520 treo680_docg4_flash_init(); 521} 522#endif 523 524#ifdef CONFIG_MACH_CENTRO 525static void __init centro_init(void) 526{ 527 pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config)); 528 palmphone_common_init(); 529 palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1, 530 GPIO_NR_CENTRO_SD_POWER, 1); 531} 532#endif 533 534#ifdef CONFIG_MACH_TREO680 535MACHINE_START(TREO680, "Palm Treo 680") 536 .atag_offset = 0x100, 537 .map_io = pxa27x_map_io, 538 .reserve = treo_reserve, 539 .nr_irqs = PXA_NR_IRQS, 540 .init_irq = pxa27x_init_irq, 541 .handle_irq = pxa27x_handle_irq, 542 .init_time = pxa_timer_init, 543 .init_machine = treo680_init, 544 .restart = pxa_restart, 545MACHINE_END 546#endif 547 548#ifdef CONFIG_MACH_CENTRO 549MACHINE_START(CENTRO, "Palm Centro 685") 550 .atag_offset = 0x100, 551 .map_io = pxa27x_map_io, 552 .reserve = treo_reserve, 553 .nr_irqs = PXA_NR_IRQS, 554 .init_irq = pxa27x_init_irq, 555 .handle_irq = pxa27x_handle_irq, 556 .init_time = pxa_timer_init, 557 .init_machine = centro_init, 558 .restart = pxa_restart, 559MACHINE_END 560#endif 561